that carbon footprint to a fraction of what it used to be for. the children get to see how the geothermal energy is harnessed. this is the. this is the drilling point number 2 number one is over there the water that comes out of them both has a temperature of over 100 degrees the pipes are warm to the touch. the water is extracted from layers of rock 3 kilometers underground a device called a heat exchanger is used to transfer the energy into the network. once the water has cooled down it's pumped back to the geological layer it came from this ensures that the water levels within the layers of rock remain constant. the existence of. geothermal activity in the region has long been well known but the